from flask import Flask
import datetime, base64, hashlib
from flask_httpauth import HTTPBasicAuth

app = Flask(__name__)
app.config["SECRET_KEY"] = "PaSsw0rD@1234!@#$"
auth = HTTPBasicAuth()
users = {
    "admin": "password"
}

@auth.get_password
def get_pw(username):
    if username in users:
        return users.get(username)
    return None

@app.route('/',methods=['GET'])
@auth.login_required  
def main():
    resp = "nothing"
    try:
        cur = datetime.datetime.now()
        year = cur.year
        month = cur.month
        day = cur.day
        hour = cur.hour
        xhstr = "xuehai%d&zhitongyun%d$100fen%d@%d" % (year, month, day, hour)
        base64ed = base64.b64encode(xhstr.encode('UTF-8'))
        md5ed = hashlib.md5(base64ed+b'\n').hexdigest()
        if 12 <= hour and hour <= 24:
            resp = md5ed[16:32]
        else:
            resp = md5ed[0:16]
    except:
        resp = "error"
    return resp

if __name__ == '__main__':
    app.run()